755 prompts matching "Learn: The expectation of a discrete random variable"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Indices word problem: bacteria growth
I am in SS 1. Teach me a word problem where a quantity grows according to an index formula
Finding an unknown exponent in an equation
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on find
Multiplying and dividing indices in one expression
I am in SS 1. Teach me simplifying (a^5 x a^-2) divided by a^3 fully, quoting which law is
Evaluating a negative fractional index
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Simplifying before substituting a value
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on simp
Index laws with an unknown letter base
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Evaluating a fractional-negative index expression
I am in SS 1. Teach me evaluating 25^(-3/2) fully as a fraction without a calculator the w
Indices in a WAEC-style savings context question
I am in SS 1. Quiz me with 3 short Additional Maths questions on a WAEC Further Mathematic
Rewriting an expression with only positive indices
I am in SS 1. Teach me rewriting an expression such as 3x^-2 y^3 z^-1 so every index in it
Solving an equation with a fractional exponent on x
I am in SS 1. Quiz me with 3 short Additional Maths questions on solving x^(2/3) = 4 for x
Verifying an index law with numbers
I am in SS 1. I'm going to explain verifying that a^m divided by a^n equals a^(m-n) using
Combining several index laws in one simplification
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on simp
Evaluating (1/2)^-3 without a calculator
I am in SS 1. I attempted an Additional Maths question on evaluating (1/2)^-3 fully withou
Simplifying indices before adding like terms
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed
Combining index and surd notation
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on rewr
Multi-part index exam question with a real context
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Full past-question style index problem, timed
I am in SS 1. Teach me a complete WAEC/Additional Maths style index question exactly as it
Adding and subtracting like surds
I am in SS 1. I'm going to explain adding and subtracting surds that share the same irrati
Multiplying a surd by an integer
I am in SS 1. Teach me multiplying a surd by a whole number, such as 4 times root 5, and s